a stream of electrons from heated filament was passed between two charged plates kept at potential difference V esu If - Chemistry - Atomic Structure

Question

a stream of electrons from heated filament was passed between two
charged plates kept at potential difference V esu If e and m are
the charge and mass of an electron then find the value of h+lambda
is given by​

Vartika Jain · Accepted Answer

Dear Student,

The relationship between wavelenth and momentum is given by λ=hp    
(i)and, p= mvand, E=12mv2Therefore, we can writeE=p22mor, p=2mESo, (i) can be written asλ=h2mEAlso, E=eVTherefore, λ=h2meVor, hλ=2meV

a stream of electrons from heated filament was passed between two charged plates kept at potential difference V esu.If e and m are the charge and mass of an electron then find the value of h+lambda is given by​

a stream of electrons from heated filament was passed between two charged plates kept at potential difference V esu.If e and m are the charge and mass of an electron then find the value of h+lambda is given by